5 Troubleshooting
5-14
AN17K*/AN17L*
5-2-3 Missing Color
Proper Video levels are
on CN101 (D-Sub) Pin 1, 3 and 5?
Proper Video signal
to all cathodes?
Refer to 5-1-16 No Video.
Yes
Yes
No
Check signal generator.
No
Proper DC voltage to all cathodes?
Check IC101 Pin 17, 20 and 23.
Check IC104.
Yes
Yes
No
G2 voltage is right?
Check T501 and D502, D512.
No
Heater voltage is right?
Check D608, Q604 and T601.
No
Yes
Check D504, Q502 and T501.
No
Yes
Yes
G1 voltage is right?
No
Replace CRT.
Done
22
22
10.0 V (R,G,B, Video)
CH1 P-P = 10.0V CH1 RMS = 17.02V
WAVEFORMS
CONFIDENTIAL
Summary of Contents for SyncMaster 753 DFX
Page 7: ...2 Product Specifications 2 4 AN17K AN17L Memo CONFIDENTIAL...
Page 34: ...AN17K AN17L 6 1 6 Exploded View and Parts List 6 1 1 AN17KS CONFIDENTIAL...
Page 35: ...6 Exploded View Parts List 6 2 AN17K AN17L CONFIDENTIAL 6 1 2 AN17KS Front 1 2 3 4 5 9 6 8 7...
Page 36: ...6 Exploded View Parts List AN17K AN17L 6 3 CONFIDENTIAL 6 2 1 AN17KT...
Page 37: ...6 Exploded View Parts List 6 4 AN17K AN17L CONFIDENTIAL 6 2 2 AN17KT Front 2 3 1 4 5 6 8 10 9...
Page 38: ...6 Exploded View Parts List AN17K AN17L 6 5 CONFIDENTIAL 6 3 1 AN17LS...
Page 39: ...6 Exploded View Parts List 6 6 AN17K AN17L CONFIDENTIAL 6 3 2 AN17LS Front 2 3 1 4 5 7 8 10 9...
Page 40: ...6 Exploded View Parts List AN17K AN17L 6 7 CONFIDENTIAL 6 4 1 AN17LT...
Page 41: ...6 Exploded View Parts List 6 8 AN17K AN17L CONFIDENTIAL 6 4 2 AN17LT Front 2 3 1 4 6 5 8 10 9...
Page 75: ...Memo 8 Block Diagrams 8 2 AN17K AN17L CONFIDENTIAL...
Page 77: ...9 PCB Diagrams 9 2 AN17K AN17L Memo CONFIDENTIAL...
